Adjective
semi-major (not comparable)
Alternative form of semimajor
All geosynchronous and geostationary orbits have a semi-major axis of convert. Source: Internet
Also shown are: semi-major axis a, semi-minor axis b and semi-latus rectum p; center of ellipse and its two foci marked by large dots. Source: Internet
Centaurs main The centaurs are icy comet-like bodies whose orbits have semi-major axes greater than Jupiter's (5.5 AU) and less than Neptune's (30 AU). Source: Internet
Davies p. 107 "Kuiper cliff" Histogram of the semi-major axes of Kuiper belt objects with inclinations above and below 5 degrees. Source: Internet
During this passage Saturn's gravity caused Chiron's semi-major axis to decrease from 14.55±0.12 AU to 13.7 AU. Source: Internet
Equivalently, it is the subtended angle, from that star's perspective, of the semi-major axis of Earth's orbit. Source: Internet